Section 11: TSP command reference Model 2601B-PULSE System SourceMeter Instrument Reference Manual
11-212 2601B-PULSE-901-01A April 2020
Also see
Configuring and running sweeps (on page 4-71)
Reading buffers (on page 5-1)
savebuffer() (on page 11-156)
smua.makebuffer() (on page 11-193)
smua.measure.overlappedY() (on page 11-205)
smua.savebuffer() (on page 11-222)
smua.trigger.measure.action (on page 11-248)
smua.trigger.measure.set() (on page 11-249)
smua.trigger.measure.stimulus (on page 11-250)
smua.trigger.measure.Y() (on page 11-251)
smua.pulser.enable
This attribute enables or disables the 2601B-PULSE pulser.
Instrument reset
SMU reset
Recall setup
Usage
enable = smua.pulser.enable
smua.pulser.enable = enable
Enable or disable the pulser; set to:
â–ª smua.DISABLE: Conventional pulsing and full source-measure unit
(SMU) functionality
â–ª smua.ENABLE: Allow fast-edge pulsing using the trigger model
Details
When the pulser is enabled, there are the following differences in source-measure unit (SMU)
functionality:
• You can only source current (not voltage).
• If the output exceeds a maximum pulse width, maximum duty cycle, or the specified protection
level during a sweep, the 2601B-PULSE output is shorted, but the sweep continues with no
source output until it is finished.
• Some SMU settings are ignored; see Settings ignored when the pulser is enabled (on page 4-36)
for details.
• The smua.trigger.source.pulsewidth and smua.pulser.measure.delay attributes
provide more precise timing than you can achieve using the
smua.trigger.endpulse.stimulus and smua.trigger.measure.stimulus attributes.
• Some of the output-off modes behave differently:
â–ª OUTPUT_NORMAL: The output circuit is shorted when this output-off mode is selected.
â–ª OUTPUT_ZERO: The output circuit is shorted and measurements cannot be made when this
output-off mode is selected.
• You cannot use contact check.
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